Based on the characteristics of rotary symmetrical aspheric surface , tracks programming algorithm is given , the 2 - dimension removal function is reduced into 1 - dimension , finally the dwell time algorithm is presented 针对气囊抛光加工回转对称非球面的特点,进行抛光路径规划,对去除函数进行降维处理,提出抛光驻留时间的计算方法。
The aspheric optical element has many merits , for example , correcting optical aberrations , improving image quality , extending range of action , simplifying system organization , reducing the cost and reducing weight 现代光学系统中大量采用非球面镜以矫正像差、改善像质、扩大视场、增大作用距离、简化光学系统结构、降低成本、减轻重量。
Aspheric optics with advantages of superior imaging characteristic and compact configuration are more and more widely used in precise optical instruments , that requires the development of mass production of aspheric 非球面光学元件以其优越的光学性能、紧凑的结构正越来越多的应用于精密光学仪器中,这就要求非球面制造过程能够实现快速批量生产。
Next , the soft method based on the dirichlet principle is given in detail . emphasis is put on the pattern of power addition along its main meridian line and the construction of the envelope of the nonrotationally symmetrical aspheric surface 其次,应用基于狄利克雷原则的软设计方法,重点阐述子午线光焦度渐增曲线形式和渐变包络面的构造方式。
Bonnet tool polishing with novel polishing tool and special motion trait is anew polishing method with bright future , for it provides a highprecision , efficient way for aspheric optical components ’ machining 气囊抛光是一种新颖的抛光方法,该方法采用了新型的抛光工具和独特的运动形式,是一种高精度、高效率的加工光学元件的方法,具有广阔的应用前景。